40 CFR § 60.2981
Am I affected by this subpart?
June 9, 2020
(a) If you are the Administrator of an air quality program in a State or United States protectorate with one or more existing OSWI units or air curtain incinerators subject to this subpart as described in §60.2994(b) that commenced construction on or before December 9, 2004, you must submit a State plan to the U.S. Environmental Protection Agency (EPA) that implements the emission guidelines contained in this subpart.
(b) You must submit the State plan to EPA by December 18, 2006.